Molecular profiling of bacterial blight resistance in Malaysian rice cultivars Perfil molecular da resistência à ferrugem bacteriana em cultivares de arroz da Malásia

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Javed M., Ali S., Ashfaq M., Tabassam J., Ali M., Ihsanullah M., ...Daha Fazla

Brazilian Journal of Biology, cilt.82, 2022 (SCI-Expanded) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 82
  • Basım Tarihi: 2022
  • Doi Numarası: 10.1590/1519-6984.256189
  • Dergi Adı: Brazilian Journal of Biology
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus, Animal Behavior Abstracts, Aqualine, Aquatic Science & Fisheries Abstracts (ASFA), CAB Abstracts, EMBASE, MEDLINE, Veterinary Science Database, Directory of Open Access Journals
  • Anahtar Kelimeler: genetic potential, multigene resistance, rice, SSR, STS
  • Ondokuz Mayıs Üniversitesi Adresli: Evet

Özet

Bacteria blight is one of the most serious bacterial diseases of rice worldwide. The identification of genetic potential against bacterial blight in the existing rice resources is a prerequisite to develop multigenic resistance to combat the threat of climate change. This investigation was conducted to evaluate alleles variation in 38 Malaysian cultivars using thirteen Simple Sequences Repeats markers and one Sequence Tagged Sites (STS) marker which were reported to be linked with the resistance to bacterial blight. Based on molecular data, a dendrogram was constructed which classified the rice cultivars into seven major clusters at 0.0, 0.28 and 0.3 of similarity coefficient. Cluster 5 was the largest group comprised of ten rice cultivars where multiple genes were identified. However, xa13 could not be detected in the current rice germplasm, whereas xa2 was detected in 25 cultivars. Molecular analysis revealed that Malaysian rice cultivars possess multigenic resistance.